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Completion handler for UINavigationController “pushViewController:animated”?
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iOS 7+ Swift
Swift 4:
// 2018.10.30 par:
// I've updated this answer with an asynchronous dispatch to the main queue
// when we're called without animation. This really should have been in the
// previous solutions I gave but I forgot to add it...
Regular expression to get a string between two strings in Javascript
...work in 100% cases is a [^] or [\s\S]/[\d\D]/[\w\W] constructs.
ECMAScript 2018 and newer compatible solution
In JavaScript environments supporting ECMAScript 2018, s modifier allows . to match any char including line break chars, and the regex engine supports lookbehinds of variable length. So, you...
Link and execute external JavaScript file hosted on GitHub
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rawgit is now discontinued (as of 2018-10-08): rawgit.com . recommend updating this answer.
– chharvey
Oct 22 '18 at 2:52
1
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How do you stash an untracked file?
...use this cmd:
git stash --include-untracked
More details:
Update 17 May 2018:
New versions of git now have git stash --all which stashes all files, including untracked and ignored files.
git stash --include-untracked no longer touches ignored files (tested on git 2.16.2).
Original answer below:...
Convert a list of data frames into one data frame
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since it's 2018 and dplyr is both fast and a solid tool to use, I've changed this to the accepted answer. The years, they fly by!
– JD Long
Jan 12 '19 at 12:03
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How to get datetime in JavaScript?
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Date().toLocaleString() returns this: 7/31/2018, 12:58:03 PM
Pretty close - just drop the comma and the seconds:
new Date().toLocaleString().replace(",","").replace(/:.. /," ");
Results: 7/31/2018 12:58 PM
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How to listen for changes to a MongoDB collection?
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Check out this: Change Streams
January 10, 2018 - Release 3.6
*EDIT: I wrote an article about how to do this https://medium.com/riow/mongodb-data-collection-change-85b63d96ff76
https://docs.mongodb.com/v3.6/changeStreams/
It's new in mongodb 3.6
https://docs.mon...
Using margin:auto to vertically-align a div
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This is by far the best and elegant solution to work in 2018, thank you.
– SilverSurfer
Feb 24 '18 at 19:37
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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...l for set built-in methods that will hopefully be talked about in Janurary 2018 github.com/tc39/agendas/blob/master/2018/01.md.
– John
Jan 23 '18 at 6:07
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year
...00:00
>>> date = date.replace(minute=59, hour=23, second=59, year=2018, month=6, day=1)
>>> print(date)
2018-06-01 23:59:59
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